KR100962872B1 - 허니컴형상 배기가스처리 촉매용 이산화티타늄 분말 및 그이산화티타늄 분말을 사용한 허니컴형상 배기가스처리 촉매 - Google Patents
허니컴형상 배기가스처리 촉매용 이산화티타늄 분말 및 그이산화티타늄 분말을 사용한 허니컴형상 배기가스처리 촉매 Download PDFInfo
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- KR100962872B1 KR100962872B1 KR1020030024362A KR20030024362A KR100962872B1 KR 100962872 B1 KR100962872 B1 KR 100962872B1 KR 1020030024362 A KR1020030024362 A KR 1020030024362A KR 20030024362 A KR20030024362 A KR 20030024362A KR 100962872 B1 KR100962872 B1 KR 100962872B1
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- South Korea
- Prior art keywords
- titanium dioxide
- honeycomb
- exhaust gas
- catalyst
- powder
- Prior art date
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 613
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 262
- 239000003054 catalyst Substances 0.000 title claims abstract description 243
- 239000000843 powder Substances 0.000 title claims abstract description 171
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000013078 crystal Substances 0.000 claims abstract description 53
- 239000010936 titanium Substances 0.000 claims abstract description 41
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 41
- 239000002131 composite material Substances 0.000 claims abstract description 39
- 238000000634 powder X-ray diffraction Methods 0.000 claims abstract description 21
- CBXWGGFGZDVPNV-UHFFFAOYSA-N so4-so4 Chemical compound OS(O)(=O)=O.OS(O)(=O)=O CBXWGGFGZDVPNV-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 178
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical group O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 101
- 238000000034 method Methods 0.000 claims description 32
- 239000013074 reference sample Substances 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 4
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 18
- 239000002994 raw material Substances 0.000 abstract description 18
- 150000002896 organic halogen compounds Chemical class 0.000 abstract description 8
- 238000000354 decomposition reaction Methods 0.000 abstract description 5
- 229910010413 TiO 2 Inorganic materials 0.000 description 40
- 230000000052 comparative effect Effects 0.000 description 33
- 239000000203 mixture Substances 0.000 description 32
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 26
- 238000001125 extrusion Methods 0.000 description 25
- 238000002360 preparation method Methods 0.000 description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 19
- 239000003365 glass fiber Substances 0.000 description 19
- 239000002002 slurry Substances 0.000 description 16
- 229910004298 SiO 2 Inorganic materials 0.000 description 15
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 15
- 229910052809 inorganic oxide Inorganic materials 0.000 description 13
- 239000004927 clay Substances 0.000 description 12
- 238000005192 partition Methods 0.000 description 11
- 239000004480 active ingredient Substances 0.000 description 10
- 239000011148 porous material Substances 0.000 description 10
- 238000003756 stirring Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 239000000523 sample Substances 0.000 description 9
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 235000011114 ammonium hydroxide Nutrition 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 8
- 229910001930 tungsten oxide Inorganic materials 0.000 description 8
- 238000000465 moulding Methods 0.000 description 7
- 239000004576 sand Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000010304 firing Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 5
- 229910000348 titanium sulfate Inorganic materials 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000011163 secondary particle Substances 0.000 description 4
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 3
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000010883 coal ash Substances 0.000 description 3
- XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 description 3
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 3
- -1 for example Substances 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910001935 vanadium oxide Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 150000002013 dioxins Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 2
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- DZKDPOPGYFUOGI-UHFFFAOYSA-N tungsten(iv) oxide Chemical compound O=[W]=O DZKDPOPGYFUOGI-UHFFFAOYSA-N 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- CEKXZSQLUFQAOG-UHFFFAOYSA-N barium(2+) oxygen(2-) titanium(4+) Chemical compound [O--].[O--].[Ti+4].[Ba++] CEKXZSQLUFQAOG-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011218 binary composite Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 231100000676 disease causative agent Toxicity 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000005078 molybdenum compound Substances 0.000 description 1
- 150000002752 molybdenum compounds Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 150000003658 tungsten compounds Chemical class 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 150000003682 vanadium compounds Chemical class 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/053—Sulfates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
Description
촉매 이름 |
이산화티타늄 분말성상 | 촉매중 산화티타늄 분말량 |
물 성 | 성 능 | |||||
피크 강도비 |
결정자 지름 |
SO4
함유량 |
성형성 | 비표면적 | 세공 부피 |
탈초율 | |||
(X/Y) | (nm) | (중량%) | 중량(%) | - | ㎡/g | ml/g | % | ||
실시예 6 | (a-1) | 0.93 | 17.3 | 3.5 | 85 | 52 | 0.30 | 90 | |
실시예 7 | (b-1) | 0.80 | 15.2 | 3.7 | 85 | 55 | 0.31 | 91 | |
실시예 8 | (c-1) | 1.17 | 21.2 | 2.1 | 85 | 50 | 0.27 | 88 | |
비교예 6 | (d-1) | 0.40 | 10.2 | 3.9 | 85 | 71 | 0.45 | 측정불능 | |
비교예 7 | (e-1) | 1.39 | 24.5 | 0.4 | 85 | 40 | 0.23 | 76 | |
비교예 8 | (f-1) | 0.76 | 14.7 | 5.5 | 85 | 68 | 0.40 | 측정불눙 | |
실시예 9 | (g-1) | 0.93 | 16.3 | 1.7 | 85 | 57 | 0.32 | 91 | |
비교예 9 | (h-1) | 1.01 | 17.7 | 0.2 | 85 | 50 | 0.25 | 80 | |
실시예10 | (gi-1) | 0.93/0.63 | 16.3/13.1 | 1.7/1.8 | g/i=65/20 | 59 | 0.34 | 93 | |
실시예11 | (gj-1) | 0.93/0.43 | 16.3/9.8 | 1.7/3.1 | g/j=65/20 | 62 | 0.36 | 95 | |
비교예10 | (jg-1) | 0.43/0.93 | 9.8/16.3 | 3.1/1.7 | j/g=65/20 | 73 | 0.48 | 측정불능 |
촉매 이름 |
이산화티타늄 분말 성상 | 촉매중의 산화티타늄 분말량 |
물 성 | 성 능 | |||||
피크 강도비 |
결정자 지름 |
SO4
함유량 |
마모율 | 비표면적 | 세공 부피 |
탈초율 | |||
(X/Y) | (nm) | (중량%) | 중량(%) | %/kg | ㎡/g | ml/g | % | ||
실시예 13 | (a-2) | 0.93 | 17.3 | 3.5 | 94 | 0.051 | 61 | 0.28 | 63.4 |
비교예 11 | (d-2) | 0.40 | 10.2 | 3.9 | 94 | 0.118 | 73 | 0.41 | 65.1 |
실시예 14 | (ai-2) | 0.93/0.63 | 17.3/13.1 | 3.5/1.8 | a/i=69/25 | 0.055 | 65 | 0.31 | 64.3 |
Claims (6)
- 이산화티타늄 및 티타늄 복합산화물로 이루어지는 군으로부터 선택되는 적어도 1종으로 이루어지는 허니컴형상 배기가스처리 촉매용 이산화티타늄 분말로서, 하기(a) 분말 X선 회절법으로 측정한 아나타제형 이산화티타늄 결정의 (101)면의 이산화티타늄 분말의 기준시료에 대한 피크강도비가 하기 식(1)0.59 ≤X / Y ≤1.20 (1)〔여기서, Y는, 순수한 아나타제형 이산화티타늄 0.300g과 순수한 산화니켈 1.700g을 메노우 유발(乳鉢)로 분쇄혼합한 기준시료의 아나타제형 이산화티타늄 결정의 (101)면의 피크강도(mm)이고, X는, 허니컴형상 배기가스처리 촉매용 이산화티타늄 분말의 아나타제형 이산화티타늄 결정의 (101)면의 피크강도(mm)이다〕로 나타내는 범위에 있고,(b) 아나타제형 결정 (101)면의 결정자 지름이 8∼22nm의 범위에 있고,(c) 황산근(SO4)을 0.3∼5.0중량%의 범위로 함유하는성상을 갖고,상기 티타늄 복합산화물이 규소, 텅스텐, 몰리브덴 및 지르코늄으로 이루어진 군으로부터 선택된 적어도 일종의 원소와 티타늄과의 복합산화물인 것이며,상기 이산화티타늄 분말은 99.9중량% 이상이 45㎛ 이하의 입자지름인 것을 특징으로 하는 허니컴형상 배기가스처리 촉매용 이산화티타늄 분말.
- 제 1 항에 기재된 허니컴형상 배기가스처리 촉매용 이산화티타늄 분말을 60중량% 이상 함유하는 것을 특징으로 하는 허니컴형상 배기가스처리 촉매.
- 제 2 항에 있어서, 상기 허니컴형상 배기가스처리 촉매가, 하기 (i)∼(v)의 형상을 갖는 허니컴 구조체인 것을 특징으로 하는 허니컴형상 배기가스처리 촉매.(i) 허니컴의 바깥지름이 30∼300mm,(ii) 허니컴의 길이가 100∼3000mm,(iii) 허니컴의 관통구멍이 1∼15mm,(iv) 허니컴의 격벽두께가 0.1∼2mm,(v) 허니컴의 개구율이 60∼85%.
- 제 2 항에 있어서, 상기 허니컴형상 배기가스처리 촉매가 질소산화물제거 촉매인 것을 특징으로 하는 허니컴형상 배기가스처리 촉매.
- 삭제
- 삭제
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JP2012139625A (ja) * | 2010-12-28 | 2012-07-26 | Jgc Catalysts & Chemicals Ltd | チタン含有粉末、排ガス処理触媒及びチタン含有粉末の製造方法 |
CN102489319A (zh) * | 2011-11-11 | 2012-06-13 | 中国科学院广州能源研究所 | 一种烟气脱硝催化剂专用纳米钛白粉及其制造方法 |
CN102416333B (zh) * | 2011-11-11 | 2013-05-22 | 中国科学院广州能源研究所 | 一种烟气脱硝催化剂专用加钨型纳米钛白粉及其制造方法 |
CN102626621B (zh) * | 2012-03-24 | 2014-04-09 | 中国石油化工股份有限公司 | 以蜂窝二氧化钛为载体的加氢催化剂及制备方法 |
CN102764662B (zh) * | 2012-07-13 | 2014-09-10 | 重庆普源化工工业有限公司 | 一种scr脱硝催化剂专用的钛钨粉的制备方法 |
WO2014073067A1 (ja) * | 2012-11-08 | 2014-05-15 | イビデン株式会社 | ハニカム構造体 |
WO2014073068A1 (ja) * | 2012-11-08 | 2014-05-15 | イビデン株式会社 | ハニカム構造体及びその製造方法 |
JPWO2014073066A1 (ja) * | 2012-11-08 | 2016-09-08 | イビデン株式会社 | ハニカム構造体及びその製造方法 |
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CN104162421A (zh) * | 2014-08-18 | 2014-11-26 | 南京理工大学 | 一种耐高温钒钨钛氧化物催化剂的制备方法 |
CN105435776A (zh) * | 2014-08-20 | 2016-03-30 | 上海郎特汽车净化器有限公司 | 一种蜂窝式铈锆钨钛基脱硝催化剂及其制备方法 |
CN105251354A (zh) * | 2015-11-14 | 2016-01-20 | 无锡清杨机械制造有限公司 | 一种烟气净化工艺 |
JP7039286B2 (ja) * | 2017-12-27 | 2022-03-22 | 三菱重工エンジニアリング株式会社 | 硫化カルボニルの加水分解用触媒及びその製造方法 |
CN113735164A (zh) * | 2021-08-18 | 2021-12-03 | 安徽迪诺环保新材料科技有限公司 | 一种高硫高塑性脱硝用纳米二氧化钛及其制备方法 |
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